code: def run_tests(self):
      import shlex
  
      # import here, cause outside the eggs aren't loaded
      import pytest
  
      errno = pytest.main(shlex.split(self.pytest_args))
      sys.exit(errno)
  
imports: import os
  import re
  import sys
  import shutil
  import platform
  import subprocess
  import multiprocessing
  from distutils import log
  from math import ceil, floor
  from setuptools import find_packages, setup, Extension
  from setuptools.command.build_ext import build_ext
  from distutils.version import LooseVersion
  from setuptools.command.test import test
label_desc: Use image node_id 2 for calling the PyTest obj's underlying member method code with example usage: obj.run_tests() without return types